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Finding the Fourth Proportional to 50,137.48, 69,188.88 and 29,982.90

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Solution

The fourth proportional to 50,137.48, 69,188.88 and 29,982.90 is: 41,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,137.48 : 69,188.88 = 29,982.90 : x
  2. Step 2: Convert to fraction form
    50,137.48/69,188.88 = 29,982.90/x
  3. Step 3: Cross multiply
    50,137.48x = 69,188.88 × 29,982.90
  4. Step 4: Simplify right side
    50,137.48x = 2,074,483,270.15
  5. Step 5: Solve for x
    x = 2,074,483,270.15/50,137.48
  6. Step 6: Final answer
    x = 41,375.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.